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feat(core): add theme, shared widgets and validators

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This commit is contained in:
qzl
2026-02-25 10:52:18 +08:00
parent febd10d64e
commit 8c0b0a25c3
8 changed files with 389 additions and 2 deletions
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.gitignore
+3 -2
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@@ -14,8 +14,9 @@ dist/
downloads/
eggs/
.eggs/
lib/
lib64/
/lib/
/lib64/
!apps/lib/
parts/
sdist/
var/
apps/lib/core/theme/app_theme.dart
+53
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@@ -0,0 +1,53 @@
import 'package:flutter/material.dart';
import 'design_tokens.dart';
class AppTheme {
AppTheme._();
static ThemeData get light => ThemeData(
useMaterial3: true,
brightness: Brightness.light,
scaffoldBackgroundColor: AppColors.background,
colorScheme: ColorScheme.fromSeed(
seedColor: AppColors.primary,
brightness: Brightness.light,
),
fontFamily: 'Inter',
appBarTheme: const AppBarTheme(
backgroundColor: AppColors.background,
foregroundColor: AppColors.slate900,
elevation: 0,
),
elevatedButtonTheme: ElevatedButtonThemeData(
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.primary,
foregroundColor: AppColors.primaryForeground,
elevation: 0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(AppRadius.sm),
),
),
),
inputDecorationTheme: InputDecorationTheme(
filled: true,
fillColor: AppColors.background,
contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(AppRadius.sm),
borderSide: const BorderSide(color: AppColors.input),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(AppRadius.sm),
borderSide: const BorderSide(color: AppColors.input),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(AppRadius.sm),
borderSide: const BorderSide(color: AppColors.input),
),
hintStyle: const TextStyle(
color: AppColors.mutedForeground,
fontSize: 14,
),
),
);
}
apps/lib/core/theme/design_tokens.dart
+69
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@@ -0,0 +1,69 @@
import 'package:flutter/material.dart';
class AppColors {
AppColors._();
static const primary = Color(0xFF171717);
static const primaryForeground = Color(0xFFFAFAFA);
static const background = Color(0xFFFAFAFA);
static const foreground = Color(0xFF0A0A0A);
static const mutedForeground = Color(0xFF737373);
static const input = Color(0xFFE5E5E5);
static const border = Color(0xFFE5E5E5);
static const white = Color(0xFFFFFFFF);
static const card = Color(0xFFFAFAFA);
static const slate900 = Color(0xFF0F172A);
static const slate700 = Color(0xFF334155);
static const slate600 = Color(0xFF475569);
static const slate500 = Color(0xFF64748B);
static const slate400 = Color(0xFF94A3B8);
static const slate300 = Color(0xFFCBD5E1);
static const blue600 = Color(0xFF2563EB);
static const blue500 = Color(0xFF3B82F6);
static const blue400 = Color(0xFF60A5FA);
static const blue100 = Color(0xFFDBEAFE);
static const blue50 = Color(0xFFEFF6FF);
static const red600 = Color(0xFFDC2626);
static const red500 = Color(0xFFEF4444);
static const amber600 = Color(0xFFD97706);
static const amber500 = Color(0xFFF59E0B);
static const emerald600 = Color(0xFF059669);
static const emerald500 = Color(0xFF10B981);
static const violet600 = Color(0xFF7C3AED);
static const violet500 = Color(0xFF8B5CF6);
static const warningBackground = Color(0xFFFEF3C7);
static const warningText = Color(0xFF92400E);
static const appIconRing = Color(0xFFE8F3FF);
static const appIconBorder = Color(0xFFC7DDFB);
static const appTitle = Color(0xFF1E293B);
}
class AppSpacing {
AppSpacing._();
static const double xs = 4.0;
static const double sm = 8.0;
static const double md = 12.0;
static const double lg = 16.0;
static const double xl = 20.0;
static const double xxl = 24.0;
}
class AppRadius {
AppRadius._();
static const double sm = 6.0;
static const double md = 12.0;
static const double lg = 16.0;
static const double xl = 18.0;
static const double xxl = 24.0;
static const double full = 999.0;
}
apps/lib/shared/utils/validators.dart
+41
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@@ -0,0 +1,41 @@
class Validators {
Validators._();
static String? email(String? value) {
if (value == null || value.isEmpty) {
return '请输入邮箱';
}
final emailRegex = RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$');
if (!emailRegex.hasMatch(value)) {
return '请输入有效的邮箱地址';
}
return null;
}
static String? password(String? value) {
if (value == null || value.isEmpty) {
return '请输入密码';
}
if (value.length < 8) {
return '密码至少需要8位';
}
return null;
}
static String? required(String? value, [String? fieldName]) {
if (value == null || value.isEmpty) {
return '请输入${fieldName ?? '内容'}';
}
return null;
}
static String? nickname(String? value) {
if (value == null || value.isEmpty) {
return '请输入昵称';
}
if (value.length < 2) {
return '昵称至少需要2个字符';
}
return null;
}
}
apps/lib/shared/widgets/app_button.dart
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import 'package:flutter/material.dart';
import '../../core/theme/design_tokens.dart';
class AppButton extends StatelessWidget {
final String text;
final VoidCallback? onPressed;
final bool isPrimary;
final bool isOutlined;
final double height;
final bool isLoading;
const AppButton({
super.key,
required this.text,
this.onPressed,
this.isPrimary = true,
this.isOutlined = false,
this.height = 44,
this.isLoading = false,
});
@override
Widget build(BuildContext context) {
if (isOutlined) {
return SizedBox(
height: height,
child: OutlinedButton(
onPressed: isLoading ? null : onPressed,
style: OutlinedButton.styleFrom(
backgroundColor: AppColors.background,
foregroundColor: AppColors.slate500,
side: const BorderSide(color: AppColors.input),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(AppRadius.sm),
),
),
child: isLoading
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
)
: Text(
text,
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w500,
),
),
),
);
}
return SizedBox(
height: height,
child: ElevatedButton(
onPressed: isLoading ? null : onPressed,
child: isLoading
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(
strokeWidth: 2,
color: AppColors.primaryForeground,
),
)
: Text(
text,
style: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
),
),
),
);
}
}
apps/lib/shared/widgets/app_input.dart
+51
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@@ -0,0 +1,51 @@
import 'package:flutter/material.dart';
import '../../core/theme/design_tokens.dart';
class AppInput extends StatelessWidget {
final String label;
final String hint;
final TextEditingController? controller;
final bool obscureText;
final TextInputType? keyboardType;
final Widget? suffix;
final int? maxLines;
final bool enabled;
const AppInput({
super.key,
required this.label,
required this.hint,
this.controller,
this.obscureText = false,
this.keyboardType,
this.suffix,
this.maxLines = 1,
this.enabled = true,
});
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w500,
color: AppColors.slate600,
),
),
const SizedBox(height: 6),
TextField(
controller: controller,
obscureText: obscureText,
keyboardType: keyboardType,
maxLines: maxLines,
enabled: enabled,
decoration: InputDecoration(hintText: hint, suffixIcon: suffix),
),
],
);
}
}
apps/lib/shared/widgets/page_header.dart
+53
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@@ -0,0 +1,53 @@
import 'package:flutter/material.dart';
class PageHeader extends StatelessWidget {
final Widget? leading;
final Widget? trailing;
final double height;
const PageHeader({super.key, this.leading, this.trailing, this.height = 64});
@override
Widget build(BuildContext context) {
return SizedBox(
height: height,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
leading ?? const SizedBox.shrink(),
trailing ?? const SizedBox.shrink(),
],
),
),
);
}
}
class BackButton extends StatelessWidget {
final VoidCallback? onPressed;
const BackButton({super.key, this.onPressed});
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: onPressed ?? () => Navigator.of(context).pop(),
child: Container(
width: 36,
height: 36,
decoration: BoxDecoration(
color: const Color(0xFFF8FAFF),
borderRadius: BorderRadius.circular(18),
border: Border.all(color: const Color(0xFFDEE7F6)),
),
child: const Icon(
Icons.chevron_left,
size: 18,
color: Color(0xFF334155),
),
),
);
}
}
apps/lib/shared/widgets/warning_banner.dart
+42
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@@ -0,0 +1,42 @@
import 'package:flutter/material.dart';
import '../../core/theme/design_tokens.dart';
class WarningBanner extends StatelessWidget {
final String message;
final bool visible;
const WarningBanner({super.key, required this.message, this.visible = true});
@override
Widget build(BuildContext context) {
if (!visible) return const SizedBox.shrink();
return Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
decoration: BoxDecoration(
color: AppColors.warningBackground,
borderRadius: BorderRadius.circular(AppRadius.sm),
),
child: Row(
children: [
const Icon(
Icons.warning_amber_rounded,
size: 16,
color: AppColors.warningText,
),
const SizedBox(width: 8),
Expanded(
child: Text(
message,
style: const TextStyle(
fontSize: 13,
color: AppColors.warningText,
),
),
),
],
),
);
}
}